/**
 * @author wangjianbo
 * @created 2018-10-10
 */
package com.bsoft.utils;

import com.alibaba.fastjson.JSON;
import org.apache.commons.lang.StringUtils;
import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.TrustStrategy;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.ssl.SSLContextBuilder;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.net.ssl.SSLContext;
import java.io.Closeable;
import java.io.IOException;
import java.net.URI;
import java.nio.charset.Charset;
import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * Created by Administrator on 2018/4/27.
 */
public class HttpClientUtil {
	private static Logger logger = LoggerFactory.getLogger(HttpClientUtil.class);

	/**
	 * 建立连接时间
	 */
	private static final int CONNECTION_TIME = 15000;

	/**
	 * 建立连接时间 短
	 */
	private static final int SHORT_CONNECTION_TIME = 5000;
	/**
	 * 发送请求时间
	 */
	private static final int CONNECTION_REQUEST_TIME = 60000;
	/**
	 * 读取数据时间
	 */
	private static final int SOCKET_TIME = 6000;
	/**
	 * 重试次数
	 */
	private static final int RETRY = 3;
	/**
	 * 请求类型:FORM表单
	 */
	private static final String REQUEST_TYPE_FORM = "application/x-www-form-urlencoded;charset=UTF-8";
	/**
	 * 请求类型:JSON体
	 */
	private static final String REQUEST_TYPE_JSON = "application/json;charset=utf-8";
	/**
	 * 请求类型:XML
	 */
	private static final String REQUEST_TYPE_XML = "text/xml;charset=UTF-8";
	private static final String APPLICATION_XML = "application/xml";





	public static String doGet(String url, Map<String, String> param) {

		// 创建Httpclient对象
		CloseableHttpClient httpclient = HttpClients.createDefault();

		String resultString = "";
		CloseableHttpResponse response = null;
		try {
			// 创建uri
			URIBuilder builder = new URIBuilder(url);
			if (param != null) {
				for (String key : param.keySet()) {
					builder.addParameter(key, param.get(key));
				}
			}
			URI uri = builder.build();

			// 创建http GET请求
			HttpGet httpGet = new HttpGet(uri);

			// 执行请求
			response = httpclient.execute(httpGet);
			// 判断返回状态是否为200
			if (response.getStatusLine().getStatusCode() == 200) {
				resultString = EntityUtils.toString(response.getEntity(), "UTF-8");
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				if (response != null) {
					response.close();
				}
				httpclient.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		return resultString;
	}

	public static String doGet(String url) {
		return doGet(url, null);
	}

	public static String doPost(String url, Map<String, String> param) {
		// 创建Httpclient对象
		CloseableHttpClient httpClient = HttpClients.createDefault();
		CloseableHttpResponse response = null;
		String resultString = "";
		try {
			// 创建Http Post请求
			HttpPost httpPost = new HttpPost(url);
			// 创建参数列表
			if (param != null) {
				List<NameValuePair> paramList = new ArrayList<>();
				for (String key : param.keySet()) {
					paramList.add(new BasicNameValuePair(key, param.get(key)));
				}
				// 模拟表单
				UrlEncodedFormEntity entity = new UrlEncodedFormEntity(paramList,"utf-8");
				httpPost.setEntity(entity);
			}
			// 执行http请求
			response = httpClient.execute(httpPost);
			resultString = EntityUtils.toString(response.getEntity(), "utf-8");
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				response.close();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}

		return resultString;
	}

	public static String doPost(String url) {
		return doPost(url, null);
	}

	public static String doPostJson(String url, String json) {
		// 创建Httpclient对象
		CloseableHttpClient httpClient = HttpClients.createDefault();
		CloseableHttpResponse response = null;
		String resultString = "";
		try {
			// 创建Http Post请求
			HttpPost httpPost = new HttpPost(url);
			// 创建请求内容
			StringEntity entity = new StringEntity(json, ContentType.APPLICATION_JSON);
			httpPost.setEntity(entity);
			// 执行http请求
			response = httpClient.execute(httpPost);
			resultString = EntityUtils.toString(response.getEntity(), "utf-8");
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				response.close();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}

		return resultString;
	}

	/**
	 * 1.connectionRequestTimeOut：指从连接池获取到连接的超时时间，如果是非连接池的话，该参数暂时没有发现有什么用处
	 * 2.socketTimeOut：指客户端和服务端进行数据交互的时候，两者之间多长时间没有数据，而不是整个交互的整体时间，比如如果设置2秒超时，
	 * 		如果每隔1秒传输一次数据，传输10次，总共10秒，这种是不超时的，而如果某次两个数据包之间的间隔时间超过了2秒，则超时
	 * 3.connectTimeOut：指与服务端建立连接的超时时间，比较容易理解
	 * */
	public static String doPostJsonPj(String url, String json,String hospitalId) {
		// 创建Httpclient对象
		CloseableHttpClient httpClient = HttpClients.createDefault();
		RequestConfig requestConfig = RequestConfig.custom().setConnectionRequestTimeout(10*1000)
				.setSocketTimeout(20*1000).setConnectTimeout(20*1000).build();
		CloseableHttpResponse response = null;
		String resultString = "";
		try {
			// 创建Http Post请求
			HttpPost httpPost = new HttpPost(url);
			httpPost.setConfig(requestConfig);
			httpPost.addHeader("requestTag","2");
			httpPost.setHeader("departmentName", "HIS");
			httpPost.addHeader("organizationId",hospitalId);

			// 创建请求内容
			StringEntity entity = new StringEntity(json, ContentType.APPLICATION_JSON);
			httpPost.setEntity(entity);
			// 执行http请求
			response = httpClient.execute(httpPost);
			resultString = EntityUtils.toString(response.getEntity(), "utf-8");
		} catch (Exception e) {
			logger.error("http上传错误",e);
			e.printStackTrace();
		} finally {
			try {
				response.close();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}

		return resultString;
	}

	public static String doPostJsonsyx(String url, String json,String syx_toke) {
		// 创建Httpclient对象
		CloseableHttpClient httpClient = HttpClients.createDefault();
		RequestConfig requestConfig = RequestConfig.custom().setConnectionRequestTimeout(10*1000)
				.setSocketTimeout(20*1000).setConnectTimeout(20*1000).build();
		CloseableHttpResponse response = null;
		String resultString = "";
		try {
			// 创建Http Post请求
			HttpPost httpPost = new HttpPost(url);
			httpPost.setConfig(requestConfig);
			httpPost.addHeader("X-Access-Token",syx_toke);
			httpPost.setHeader("X-Service-Method", "urlGenerate");
			httpPost.addHeader("X-Service-Id","phcp.diseaseAdapterService");

			// 创建请求内容
			StringEntity entity = new StringEntity(json, ContentType.APPLICATION_JSON);
			httpPost.setEntity(entity);
			// 执行http请求
			response = httpClient.execute(httpPost);
			resultString = EntityUtils.toString(response.getEntity(), "utf-8");
		} catch (Exception e) {
			logger.error("http上传错误",e);
			e.printStackTrace();
		} finally {
			try {
				response.close();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}

		return resultString;
	}
	public static String doPostJsonHIV(String url, String json,String ehrkey_Header,String accesstoken) {
		// 创建Httpclient对象
		CloseableHttpClient httpClient = HttpClients.createDefault();
		RequestConfig requestConfig = RequestConfig.custom().setConnectionRequestTimeout(10*1000)
				.setSocketTimeout(20*1000).setConnectTimeout(20*1000).build();
		CloseableHttpResponse response = null;
		String resultString = "";
		try {
			// 创建Http Post请求
			HttpPost httpPost = new HttpPost(url);
			httpPost.setConfig(requestConfig);
			if (StringUtils.isNotBlank(ehrkey_Header)){
				httpPost.addHeader("ehrkey",ehrkey_Header);//测试必须加
			}
			if (StringUtils.isNotBlank(accesstoken)){
				httpPost.addHeader("accesstoken",accesstoken);//测试必须加
			}

			// 创建请求内容
			StringEntity entity = new StringEntity(json, ContentType.APPLICATION_JSON);
			httpPost.setEntity(entity);
			// 执行http请求
			response = httpClient.execute(httpPost);
			resultString = EntityUtils.toString(response.getEntity(), "utf-8");
		} catch (Exception e) {
			logger.error("http上传错误",e);
			e.printStackTrace();
		} finally {
			try {
				response.close();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}

		return resultString;
	}

	public static String doPostYB(String url, String jsonData, String charset) throws IOException {
		String result = null;
		CloseableHttpResponse response = null;
		CloseableHttpClient httpClient = HttpClients.createDefault();
		try {
			HttpPost httpPost = new HttpPost(url);
			httpPost.addHeader("Content-type", "application/json; charset=utf-8");
			httpPost.setHeader("Accept", "*/*");
			httpPost.setEntity(new StringEntity(jsonData, Charset.forName("UTF-8")));
			response = httpClient.execute(httpPost);
			if (response != null) {
				HttpEntity resEntity = response.getEntity();
				if (resEntity != null) {
					result = EntityUtils.toString(resEntity, charset);
				}
				EntityUtils.consume(resEntity);
			}
		} catch (Exception e) {
			logger.error("请求出现异常：" + e.getMessage(),e);
		} finally {
			if (response != null) {
				response.close();
			}
		}
		return result;
	}


	/**
	 * HTTP Post:JSON形式
	 * Content-type:application/json; charset=utf-8
	 *
	 * @param url       请求的url地址?之前的地址
	 * @param headerMap 请求头的参数
	 * @param bodyMap   请求的参数
	 * @param charset   编码格式
	 * @return String
	 */
	public static Map<String, Object> sendPostByJson(String url, Map<String, Object> headerMap, Object bodyMap, Charset charset) {
		CloseableHttpClient httpClient;
		CloseableHttpResponse response = null;
		String result = null;
		String xDataTimeValue = null;
		HttpPost httpPost = new HttpPost(url);
		// Body参数设置到请求体中
		httpPost.setEntity(new StringEntity(JSON.toJSONString(bodyMap), charset));
		if (headerMap == null) {
			headerMap = new HashMap<>();
		}
		headerMap.put("Content-type", REQUEST_TYPE_JSON);
		headerMap.forEach((key, value) -> {
			httpPost.setHeader(key, value.toString());
		});
		try {
			httpClient = createSSLClientDefault();
			response = httpClient.execute(httpPost);
			// 直接通过响应对象获取（底层已处理遍历+匹配），同样忽略大小写
			Header xDataTimeHeader = response.getFirstHeader("X-Data-Time");
			xDataTimeValue = xDataTimeHeader != null ? xDataTimeHeader.getValue() : null;
			HttpEntity entity = response.getEntity();
			if (entity != null) {
				result = EntityUtils.toString(entity, charset);
			}
		} catch (Exception e) {
			logger.error("execute post request error", e);
		} finally {
			close(response);
		}
		Map<String,Object> map = JSON.parseObject(result, Map.class);
		map.put("X-Data-Time", xDataTimeValue);
		return map;
	}


	/**
	 * 创建一个SSL信任所有证书的httpClient对象
	 *
	 * @return
	 */
	public static CloseableHttpClient createSSLClientDefault() {
		try {
			SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
				// 信任所有
				@Override
				public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException {
					return true;
				}
			}).build();
			SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext);
			return HttpClients.custom().setSSLSocketFactory(sslsf).build();
		} catch (KeyManagementException e) {
			e.printStackTrace();
		} catch (NoSuchAlgorithmException e) {
			e.printStackTrace();
		} catch (KeyStoreException e) {
			e.printStackTrace();
		}
		return HttpClients.createDefault();
	}

	/**
	 * 关闭流资源
	 *
	 * @param closeable
	 */
	private static void close(Closeable closeable) {
		try {
			if (closeable != null) {
				closeable.close();
			}
		} catch (IOException e) {
			logger.error("close error", e);
		}
	}
}
